{"id":128691,"date":"2024-10-26T16:02:19","date_gmt":"2024-10-26T08:02:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128691\/"},"modified":"2024-10-26T16:02:20","modified_gmt":"2024-10-26T08:02:20","slug":"redis%e5%af%a6%e7%8f%be%e6%8e%a5%e5%8f%a3%e9%99%90%e6%b5%81%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd%ef%bc%88redis%e9%99%90%e6%b5%81%e6%8e%a5%e5%8f%a3%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128691\/","title":{"rendered":"Redis\u5be6\u73fe\u63a5\u53e3\u9650\u6d41\u63d0\u5347\u6027\u80fd\uff08redis\u9650\u6d41\u63a5\u53e3\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e6%8e%a5%e5%8f%a3%e9%99%90%e6%b5%81%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd%ef%bc%88redis%e9%99%90%e6%b5%81%e6%8e%a5%e5%8f%a3%ef%bc%89-OmwnucQhCo\">Redis\u5be6\u73fe\u63a5\u53e3\u9650\u6d41\u63d0\u5347\u6027\u80fd\uff08redis\u9650\u6d41\u63a5\u53e3\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u63a5\u53e3\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u63a5\u53e3\u7684\u8acb\u6c42\u91cf\u4e5f\u96a8\u4e4b\u4e0a\u5347\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u670d\u52d9\u5668\u904e\u8f09\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0c\u9650\u6d41\u6280\u8853\u61c9\u904b\u800c\u751f\uff0c\u800cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u9650\u6d41\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%99%90%e6%b5%81%ef%bc%9f-OmwnucQhCo\">\u4ec0\u9ebc\u662f\u9650\u6d41\uff1f<\/h2>\n<p>\u9650\u6d41\u662f\u6307\u5c0d\u63a5\u53e3\u8acb\u6c42\u9032\u884c\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u904e\u591a\u7684\u8acb\u6c42\u540c\u6642\u5230\u9054\u670d\u52d9\u5668\uff0c\u5f9e\u800c\u4fdd\u8b77\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u9650\u6d41\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff0c\u5305\u62ec\u4ee4\u724c\u6876\u3001\u6f0f\u6876\u7b49\u7b97\u6cd5\u3002\u9019\u4e9b\u7b97\u6cd5\u7684\u6838\u5fc3\u601d\u60f3\u662f\u6839\u64da\u9810\u8a2d\u7684\u898f\u5247\u4f86\u9650\u5236\u8acb\u6c42\u7684\u6578\u91cf\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%e9%80%b2%e8%a1%8c%e9%99%90%e6%b5%81%ef%bc%9f-OmwnucQhCo\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\u9032\u884c\u9650\u6d41\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u512a\u52e2\uff0c\u4f7f\u5176\u6210\u70ba\u5be6\u73fe\u9650\u6d41\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u8b80\u5beb\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>Redis\u652f\u6301\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u5c0d\u65bc\u9650\u6d41\u7b97\u6cd5\u7684\u5be6\u73fe\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u7684API\u7c21\u55ae\uff0c\u6613\u65bc\u96c6\u6210\u5230\u73fe\u6709\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%99%90%e6%b5%81%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-OmwnucQhCo\">Redis\u9650\u6d41\u7684\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u9650\u6d41\u7684\u4e00\u500b\u7c21\u55ae\u793a\u4f8b\uff0c\u9019\u88e1\u6211\u5011\u4f7f\u7528\u4ee4\u724c\u6876\u7b97\u6cd5\u4f86\u9032\u884c\u9650\u6d41\u3002<\/p>\n<h3 id=\"%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95%e6%a6%82%e8%bf%b0-OmwnucQhCo\">\u4ee4\u724c\u6876\u7b97\u6cd5\u6982\u8ff0<\/h3>\n<p>\u4ee4\u724c\u6876\u7b97\u6cd5\u7684\u57fa\u672c\u601d\u60f3\u662f\uff1a\u6bcf\u7576\u4e00\u500b\u8acb\u6c42\u5230\u9054\u6642\uff0c\u7cfb\u7d71\u6703\u6aa2\u67e5\u6876\u4e2d\u662f\u5426\u6709\u4ee4\u724c\u3002\u5982\u679c\u6709\uff0c\u5247\u5141\u8a31\u8acb\u6c42\u901a\u904e\uff0c\u4e26\u5f9e\u6876\u4e2d\u79fb\u9664\u4e00\u500b\u4ee4\u724c\uff1b\u5982\u679c\u6c92\u6709\uff0c\u5247\u62d2\u7d55\u8a72\u8acb\u6c42\u3002\u4ee4\u724c\u6703\u4ee5\u56fa\u5b9a\u7684\u901f\u7387\u751f\u6210\uff0c\u9019\u6a23\u53ef\u4ee5\u63a7\u5236\u8acb\u6c42\u7684\u901f\u7387\u3002<\/p>\n<h3 id=\"redis%e5%af%a6%e7%8f%be%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-OmwnucQhCo\">Redis\u5be6\u73fe\u4ee3\u78bc\u793a\u4f8b<\/h3>\n<pre><code>\nimport redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\ndef rate_limiter(user_id, limit, interval):\n    current_time = int(time.time())\n    key = f\"rate_limiter:{user_id}\"\n\n    # \u4f7f\u7528Redis\u7684pipeline\u9032\u884c\u539f\u5b50\u64cd\u4f5c\n    with r.pipeline() as pipe:\n        # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n        pipe.zremrangebyscore(key, 0, current_time - interval)\n        pipe.zadd(key, {current_time: current_time})\n        pipe.expire(key, interval)\n        pipe.zcard(key)\n        current_count = pipe.execute()[-1]\n\n    if current_count &gt; limit:\n        return False  # \u8d85\u904e\u9650\u6d41\n    return True  # \u5141\u8a31\u8acb\u6c42\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230Redis\uff0c\u7136\u5f8c\u5b9a\u7fa9\u4e86\u4e00\u500b\u9650\u6d41\u51fd\u6578\u3002\u8a72\u51fd\u6578\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\u4f86\u5b58\u5132\u8acb\u6c42\u7684\u6642\u9593\u6233\uff0c\u4e26\u6839\u64da\u8a2d\u7f6e\u7684\u9650\u5236\u548c\u6642\u9593\u9593\u9694\u4f86\u5224\u65b7\u662f\u5426\u5141\u8a31\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OmwnucQhCo\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528Redis\u5be6\u73fe\u63a5\u53e3\u9650\u6d41\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u9650\u6d41\u4e0d\u50c5\u80fd\u5920\u4fdd\u8b77\u670d\u52d9\u5668\u514d\u53d7\u904e\u8f09\u5f71\u97ff\uff0c\u9084\u80fd\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u9650\u6d41\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u9ad8\u6d41\u91cf\u7684\u6311\u6230\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u5be6\u73fe\u63a5\u53e3\u9650\u6d41\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u7a69\u5b9a\u6027\u8207\u97ff\u61c9\u901f\u5ea6\uff0c\u9632\u6b62\u904e\u8f09\u8207\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-128691","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=128691"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128691\/revisions"}],"predecessor-version":[{"id":128692,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128691\/revisions\/128692"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}